Perhaps you should try some spelling variations:
rol{acute}tactica » rol{acute}practica, rol{acute}tlactica, rol{acute}tactiva, rol{acute}tactina
peruud{acute}tacticas » peruud{acute}practicas, peruud{acute}tlacticas, peruud{acute}tactivas, peruud{acute}tactinas
pro{acute}factica » prof{acute}factica, pro{acute}facticas, pro{acute}lactica, pro{acute}factico, pro{acute}flactica, pro{acute}factiva, pro{acute}factina
pero{acute}actica » pedro{acute}actica, peru{acute}actica, pero{acute}lactica, pero{acute}activa, pero{acute}actina

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((rol{acute}tactica OR (pro{acute}factica OR peruud{acute}tacticas)) OR pero{acute}actica) ;~.
• Adding a wildcard symbol may retrieve word variants: ((rol{acute}tactica or (pro{acute}factica or peruud{acute}tacticas)) or pero{acute}actica) ;*.